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专利名称:STUDDED TIRE
发明人:MAEJIMA, Keisuke,MIHARA, Satoshi申请号:EP15773461.7申请日:20150331公开号:EP3127716B1公开日:20190313
摘要:A kind of tire is provided, there is the pin with increased holding ability columnbolt ice snow performance and wet performance to be elevated above conventionallevel. The stud tire, it is characterized in that: pin (20) is in tyre surface tread area (1); Thetyre surface (1) that the rubber composition is formed is prepared, and the silica of 5-50parts by weight of carbon black per and 5-70 parts by weight and the diene rubber of100 parts by weight is added, such as contain at least one natural rubber, butadiene-styrene rubber and butadiene rubber; The diene rubber of glass transition temperatureis -60 °C or smaller; The nitrogen adsorption specific surface area of the carbon black is50-120m2/g; The silica 80-190m2/g of the CTAB specific surface areas; The rubberhardness of the rubber is 60 or less; It is stretched and the pin 400-850 on the bottom(20) of the flange portion (23) in bottom surface mm2 (areas A) with product (S × A) stressS (MPa) 400%.
申请人:The Yokohama Rubber Co., Ltd.
代理机构:Grünecker Patent- und Rechtsanwälte PartG mbB
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